CN210023493U - Bending and embossing die - Google Patents

Abstract

The utility model relates to the technical field of mold, a crooked embossing mold utensil is disclosed, including last membrane module, lower membrane module and lever assembly. The upper die assembly comprises a bending male die, and a convex pressing groove is formed in the bending male die. The lower die assembly comprises a first die core and a second die core, the two first die cores are symmetrically arranged on two sides of the second die core, the first die core and the second die core can be spliced to form a bending female die, and a protruding boss matched with the protruding groove is arranged on the second die core. The lever assembly comprises a lever, one end of the lever can be connected with the upper die assembly, and the other end of the lever is connected with the two first die cores. On one hand, the bending and embossing die provided by the utility model can complete the bending process and the embossing process by using a set of die and a one-step forming process, thereby simplifying the process steps and reducing the cost; on the other hand, the lever assembly drives the two first die cores to move upwards simultaneously, so that the metal plate can be bent simultaneously from two sides, and the deformation of the metal plate is more uniform.

Description

Bending and embossing die

Technical Field

The utility model relates to the technical field of mold, especially, relate to a crooked embossing mold utensil.

Background

In the forming process of metal plates, a plurality of processes are usually required, such as a bending process and an embossing process, i.e., both bending and embossing projections or holes are formed on a metal plate.

In the prior art, one set of die generally can only complete one process, namely, the bending process and the embossing process cannot be carried out simultaneously, and two sets of dies need to be developed to respectively carry out the bending process and the embossing process, so that the processing process is increased, the die development cost is increased, and the forming quality and the forming efficiency are reduced.

Therefore, a new bending and embossing mold is needed to solve the above technical problems.

SUMMERY OF THE UTILITY MODEL

Based on above, an object of the utility model is to provide a crooked embossing mold utensil compares with prior art, utilizes one set of mould and one forming process can accomplish crooked process and embossing process, has simplified the process step, has reduced the mould cost, has improved shaping quality and shaping efficiency.

In order to achieve the purpose, the utility model adopts the following technical proposal:

a bending and embossing die comprising:

the upper die assembly comprises a bending male die, and a convex pressing groove is formed in the bending male die;

the lower die assembly comprises a first die core and a second die core, the two first die cores are symmetrically arranged on two sides of the second die core, the first die core and the second die core can be spliced to form a bending female die matched with the bending male die, and the second die core is provided with a convex pressing protrusion matched with the convex pressing groove;

and the lever assembly comprises a lever, one end of the lever can be connected with the upper die assembly, and the other end of the lever is connected with the two first die cores.

The die further comprises an upper die holder plate group, and the upper die assembly is arranged on the upper die holder plate group.

Further, the die comprises a lower die base plate group, and the lower die assembly is arranged on the lower die base plate group.

Further, the lever assembly further comprises a trigger rod, one end of the trigger rod is hinged to one end of the lever, and the other end of the trigger rod can be abutted to the upper die base plate group.

Further, the lever assembly further comprises a connecting block, one end of the connecting block is hinged to one end of the lever, and the other end of the connecting block is connected with the two first die cores.

Further, the lever assembly further comprises a support frame, the support frame is arranged on the lower die base plate group and comprises a hinged portion, and the hinged portion is hinged to a rotating shaft of the lever.

Further, the lever assembly further comprises a reset spring and a reset block, the support frame further comprises a fixing portion, the fixing portion is arranged on the lower die base plate group, the trigger rod penetrates through the fixing portion in a sliding mode, the reset block is arranged on the trigger rod, the reset spring is sleeved on the trigger rod, one end of the reset spring is abutted to the reset block, and the other end of the reset spring is abutted to the fixing portion.

Furthermore, the lower die assembly further comprises an edge block, and the edge block is arranged between the first die core and the lower die base plate group.

Further, the upper die assembly further comprises a die sleeve, the die sleeve is arranged on the upper die base plate set, a through hole is formed in the die sleeve, and the bending male die is slidably arranged in the through hole in a penetrating mode.

Furthermore, a limiting bulge is arranged on the bending male die, a limiting step is arranged on the die sleeve, and the limiting bulge can be abutted against the limiting step.

The utility model has the advantages that:

the utility model provides a bending and embossing die, on one hand, through setting up bending male die and bending female die, and set up the embossing recess on the bending male die, set up the embossing arch on the bending female die, make the metal sheet realize embossing while crooked, namely utilize one set of mould and one-time forming process can finish bending process and embossing process, not only simplified the process step, reduced the mould development cost, improved shaping quality and shaping efficiency moreover; on the other hand, the production of defect takes shape when can effectively avoiding crooked through the cooperation of lever subassembly and first mould benevolence because at last mould subassembly downstream in-process, can trigger lever subassembly, make lever subassembly drive two first mould benevolence upward movements simultaneously to by both sides crooked metal sheet simultaneously, make the deformation of metal sheet more even, thereby can avoid the production of defects such as crackle effectively.

Drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings required to be used in the description of the embodiments of the present invention will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the contents of the embodiments of the present invention and the drawings without creative efforts.

Fig. 1 is a schematic structural view of a bending and embossing mold provided in an embodiment of the present invention in a mold closing state;

fig. 2 is a schematic structural view of a bending and embossing mold provided in an embodiment of the present invention in a mold opening state;

fig. 3 is a schematic view of an internal structure of a bending and embossing mold according to an embodiment of the present invention in a mold closing state;

fig. 4 is a schematic structural diagram of a bending male die in a bending and embossing die provided by an embodiment of the present invention;

fig. 5 is a schematic structural diagram of a bending female die in a bending and embossing die provided by an embodiment of the present invention;

fig. 6 is a schematic structural diagram of a die sleeve in a bending and embossing die provided by an embodiment of the present invention;

FIG. 7 is a schematic view of the connection relationship between the bending male die and the die sleeve in the bending and embossing die provided by the embodiment of the present invention;

fig. 8 is a schematic structural view of a push rod in a bending and embossing mold according to an embodiment of the present invention;

FIG. 9 is a schematic view of a connection relationship between the joint blocks and the joint grooves in the bending and embossing mold according to an embodiment of the present invention;

fig. 10 is a schematic view illustrating a connection relationship between an edge block, a first mold core and a second mold core of the bending and embossing mold according to an embodiment of the present invention;

fig. 11 is a schematic view illustrating a connection relationship between a connecting block, a first mold core and a second mold core in a bending and embossing mold according to an embodiment of the present invention.

In the figure:

100-a metal plate;

1-an upper die assembly; 11-bending male die; 111-embossing the grooves; 112-a limit protrusion; 113-splicing groove; 12-a die sleeve; 121-through hole; 122-a limit step; 123-fixed slot; 13-fixing block; 14-a push rod; 141-a push top part; 142-a snap-fit portion; 143-a slide; 15-a limit spring; 16-splicing blocks; 17-a trigger block;

2-a lower die assembly; 21-a first mold core; 211-material limiting bulge; 22-a second mold core; 221-embossing protrusions; 23-edge blocks; 231-a guide space; 24-briquetting;

3-a lever assembly; 31-a lever; 32-a trigger lever; 33-connecting blocks; 34-a support frame; 341-a hinge; 342-a fixed part; 35-a return spring; 36-a reset block;

4-upper die base plate group; 41-an upper die holder; 42-upper backing plate; 43-upper template; 44-a fixed plate;

5-lower die base plate group; 51-a lower die holder; 52-a first lower backing plate; 53-a second lower backing plate; and 54, a lower template.

Detailed Description

In order to make the technical problems, technical solutions and technical effects achieved by the present invention more clear, the embodiments of the present invention will be described in further detail with reference to the accompanying drawings, and obviously, the described embodiments are only some embodiments, not all embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by the skilled in the art without creative work belong to the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and the like are used for descriptive purposes only or to distinguish between different structures or components and are not to be construed as indicating or implying relative importance. Wherein the terms "first position" and "second position" are two different positions.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection or a removable connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

As shown in fig. 1 to 3, the present embodiment provides a bending and embossing die, which includes an upper die assembly 1, a lower die assembly 2, and a lever assembly 3. As shown in fig. 4, the upper die assembly 1 includes a bending punch 11, and a pressing convex groove 111 is provided on the bending punch 11. As shown in fig. 5, the lower mold assembly 2 includes a first mold core 21 and a second mold core 22, the two first mold cores 21 are symmetrically disposed on two sides of the second mold core 22, the first mold core 21 and the second mold core 22 can be spliced to form a bending female mold matched with the bending male mold 11, and the second mold core 22 is provided with an embossing protrusion 221 matched with the embossing groove 111. The lever assembly 3 includes a lever 31, one end of the lever 31 can be connected to the upper mold assembly 1, and the other end is connected to the two first mold cores 21. It should be noted that, at the time of mold closing, the upper mold assembly 1 is connected to one end of the lever 31 by moving downward and triggers the lever 31, and at the time of mold opening, the upper mold assembly 1 is disconnected from the one end of the lever 31 by moving upward.

On one hand, the bending and embossing mold provided by the embodiment is provided with the bending male mold 11 and the bending female mold, the embossing groove 111 is formed in the bending male mold 11, and the embossing protrusion 221 is formed in the bending female mold, so that the metal plate 100 is embossed while being bent, namely, the bending process and the embossing process can be completed by using one set of mold and one-step forming process, thereby not only simplifying the process steps, reducing the development cost of the mold, but also improving the forming quality and the forming efficiency; on the other hand, the generation of the forming defect during bending can be effectively avoided through the cooperation of the lever component 3 and the first die core 21, because in the downward movement process of the upper die component 1, the lever component 3 is triggered, so that the lever component 3 drives the two first die cores 21 to move upward simultaneously, and the metal plate 100 is bent simultaneously by two sides, so that the deformation of the metal plate 100 is more uniform, and the generation of the defects such as cracks can be effectively avoided.

It should be noted that the bending and embossing die provided in this embodiment can not only press the metal plate 100 with the protrusions, but also press the metal plate 100 with the through holes by adjusting the depth of the embossing grooves 111 and the height of the embossing protrusions 221, i.e. the embossing protrusions 221 can pierce the metal plate 100 to form the through holes in the metal plate 100.

Optionally, the first mold core 21 is provided with a material limiting protrusion 211. In the embodiment, since the two first mold cores 21 are symmetrically arranged, before forming, the metal plate 100 can be clamped between the two material limiting protrusions 211 to limit the metal plate 100, so as to ensure the forming accuracy.

Optionally, as shown in fig. 1, the bending and embossing mold provided in this embodiment further includes an upper mold base plate group 4, and the upper mold assembly 1 is disposed on the upper mold base plate group 4. Alternatively, one end of the lever 31 can be connected to the upper die plate group 4. It should be noted that, when the mold is closed, the upper mold base plate group 4 is connected to one end of the lever 31 by moving downward and triggers the lever 31, and when the mold is opened, the upper mold base plate group 4 is disconnected from the lever 31 by moving upward. Optionally, the upper mold base plate set 4 includes an upper mold base 41, an upper backing plate 42 and an upper mold plate 43 connected in sequence from top to bottom.

In this embodiment, since the movement stroke of the lever 31 triggered by the trigger is larger than the movement stroke of the bending punch 11 pressing the metal plate 100 against the second die core 22, the bending and embossing die provided in this embodiment operates as follows: first, the upper die base plate group 4 moves downward, so that the bending punch 11 presses the metal plate 100 against the second die core 22, and the embossing process is completed; then, the upper mold base plate set 4 continues to move downward, and triggers the lever assembly 3, so that the lever assembly 3 drives the two first mold cores 21 to move upward, and the two first mold cores 21 simultaneously bend the metal plate 100 from two sides to complete the bending process.

In order to realize that the upper die holder plate set 4 can continue to move downwards after the bending punch 11 is pressed on the second die core 22, in this embodiment, as shown in fig. 6 and 7, the upper die assembly 1 further includes a die sleeve 12, the die sleeve 12 is disposed on the upper die holder plate set 4, a through hole 121 is disposed on the die sleeve 12, and the bending punch 11 is slidably disposed through the through hole 121. The bending punch 11 is slidably disposed in the die sleeve 12, so that the bending punch 11 has a certain floating space in the height direction, and after the bending punch 11 presses the second die core 22, the upper die seat plate set 4 can continue to move downward and trigger the lever assembly 3. In addition, by providing the die sleeve 12, not only the bending punch 11 can be mounted on the upper die holder plate group 4, but also the bending punch 11 can be protected, and the bending punch 11 can be prevented from being deformed.

Optionally, a limiting protrusion 112 is arranged on the bending male die 11, a limiting step 122 is arranged on the die sleeve 12, and the limiting protrusion 112 can abut against the limiting step 122. The travel of the bending punch 11 sliding downward in the die case 12 is limited by the cooperation of the limit projection 112 and the limit step 122.

Optionally, the upper mold plate 43 is provided with a male mold hole, and the mold sleeve 12 is inserted into the male mold hole. Optionally, as shown in fig. 6 and 7, the upper die assembly 1 further includes a fixing block 13, the die sleeve 12 is opened with a fixing groove 123, and the fixing block 13 can be snapped into the fixing groove 123 to fix the die sleeve 12 on the upper die plate 43. The die sleeve 12 can be installed and fixed quickly through the matching of the fixing block 13 and the fixing groove 123, and the installation is simple and convenient.

Further, in order to limit the maximum stroke of the bending male die 11 sliding upwards in the die sleeve 12, as shown in fig. 3 and 8, in this embodiment, the upper die assembly 1 further includes a push rod 14 and a limiting spring 15, the push rod 14 slidably penetrates through the upper die base plate set 4, the push rod 14 includes a push top portion 141, a clamping portion 142 and a sliding portion 143, which are sequentially arranged, the push top portion 141 abuts against the bending male die 11, the clamping portion 142 can be clamped with the top surface of the upper backing plate 42, the sliding portion 143 partially penetrates through the upper die base 41, the limiting spring 15 is sleeved on the sliding portion 143, one end of the limiting spring 15 abuts against the clamping portion 142, and the other end abuts against the upper die base 41. The bending punch 11 can be pushed by the abutting of the pushing top portion 141 against the bending punch 11; the clamping part 142 is clamped with the top surface of the upper backing plate 42, so that the push rod 14 can be prevented from sliding downwards, and the maximum stroke of the downward movement of the push rod 14 is limited; the sliding part 143 is slidably inserted into the upper die holder 41, so that a floating space of the bending male die 11 in the height direction can be ensured; since the limit spring 15 has a certain compression limit, the maximum stroke of the upward movement of the push rod 14, and therefore the maximum stroke of the upward sliding of the bending punch 11 in the die case 12, can be limited by the abutment of the limit spring 15 with the clamping portion 142 and the upper die base 41.

Optionally, as shown in fig. 1 and 3, the upper die base plate set 4 further includes a fixing plate 44, the fixing plate 44 is fixed on the upper die base 41, the sliding portion 143 is slidably inserted into the fixing plate 44, and the other end of the limiting spring 15 abuts against the fixing plate 44. Because the push rod 14 is slidable, in order to prevent the upper die holder 41 from being worn seriously and affecting the movement precision of the push rod 14, the fixing plate 44 is additionally arranged, compared with the upper die holder 41, the fixing plate 44 is more convenient to replace after being worn, and the cost is low.

Optionally, as shown in fig. 9, a splicing groove 113 is provided on the bending male die 11, the upper die assembly 1 further includes a splicing block 16, the splicing block 16 can be inserted into the splicing groove 113, and the plurality of bending male dies 11 are connected by the splicing block 16. By means of the arrangement, the length of the bending male die 11 can be adjusted according to actual requirements, so that the bending requirements of metal plates 100 with different sizes can be met.

Optionally, as shown in fig. 1, the bending and embossing die provided in this embodiment further includes a lower die set 5, and the lower die assembly 2 is disposed on the lower die set 5. Optionally, the lower die plate set 5 includes a lower die base 51, a first lower backing plate 52, a second lower backing plate 53 and a lower die plate 54 connected in sequence from bottom to top.

Optionally, as shown in fig. 3, the lever assembly 3 further includes a trigger rod 32, one end of the trigger rod 32 is hinged to one end of the lever 31, and the other end of the trigger rod 32 can abut against the upper die plate set 4. When the upper die holder plate set 4 abuts against the trigger rod 32, the trigger rod 32 presses one end of the lever 31 downward, and the other end of the lever 31 is lifted upward to drive the two first die cores 21 to move upward to realize bending. Optionally, the upper die assembly 1 further comprises a trigger block 17, and the trigger block 17 is disposed on the upper die shoe set 4. The lever 31 is triggered by the trigger block 17 abutting against the trigger lever 32. In the process that the upper die holder plate group 4 is abutted to the trigger rod 32, the upper die holder plate group 4 is abraded, the trigger stroke is increased, and the forming precision is influenced, so that the trigger block 17 is additionally arranged, the trigger block 17 is more convenient to replace after being abraded, and the accuracy and the forming precision of the trigger stroke are guaranteed.

Optionally, the lever assembly 3 further includes a connecting block 33, one end of the connecting block 33 is hinged to the other end of the lever 31, and the other end of the connecting block 33 is connected to the two first mold cores 21. On one hand, the connection between the two first mold cores 21 and the lever 31 is more convenient to realize by using the connecting block 33; on the other hand, the two first mold cores 21 are driven to move by using one connecting block 33, which is beneficial to ensuring the synchronism of the movement of the two first mold cores 21, thereby being beneficial to improving the forming precision.

Optionally, as shown in fig. 3, the lever assembly 3 further includes a support frame 34, the support frame 34 is fixed on the lower die set 5, the support frame 34 includes a hinge portion 341, and the hinge portion 341 is hinged to the rotation shaft of the lever 31. The support bracket 34 can stably support the lever 31, ensuring the stability of the operation of the lever 31.

Optionally, the lever assembly 3 further includes a return spring 35 and a return block 36, the support frame 34 further includes a fixing portion 342, the fixing portion 342 is fixed on the lower die set 5, the trigger bar 32 slidably passes through the fixing portion 341, the return block 36 is disposed on the trigger bar 32, the return spring 35 is sleeved on the trigger bar 32, one end of the return spring 35 abuts against the return block 36, and the other end of the return spring abuts against the fixing portion 342. When the trigger bar 32 is pressed to move downwards, the return spring 35 will be compressed under the action of the return block 36 and the fixing part 342, and when the pressure is released, the return spring 35 will expand under its own elastic force and push the return block 36 upwards, so that the trigger bar 32 moves upwards and drives the lever 31 to reset.

Optionally, as shown in fig. 3, the lower mold assembly 2 further includes an edge block 23, and the edge block 23 is disposed between the first mold core 21 and the lower mold shoe set 5. In this embodiment, the two first mold cores 21 slide in the lower mold base plate set 5 under the driving of the lever assembly 3, which may cause the wear of the lower mold base plate set 5 and increase the interval between the first mold cores 21 and the lower mold base plate set 5, thereby affecting the forming accuracy, so that the edge block 23 is additionally disposed between the first mold cores 21 and the lower mold base plate set 5, and the edge block 23 is not only more convenient to replace after being worn, but also more beneficial to further ensuring the forming accuracy.

Optionally, as shown in fig. 10, in the present embodiment, the second mold core 22 is "i" -shaped, the "i" -shaped second mold core 22 can be spliced with the edge block 23 to form the guide space 231, and the first mold core 21 can slidably penetrate through the guide space 231. The guide space 231 is advantageous to ensure the accuracy of the movement track of the first mold core 21, thereby further improving the forming quality.

Optionally, as shown in fig. 10, the lower die assembly 2 further includes a pressing block 24, and the pressing block 24 is pressed on the second die core 22. The pressing block 24 can further prevent the second mold core 22 from being moved upward by the connecting block 33, thereby ensuring the reliability of the operation of the second mold core 22.

In the present embodiment, as shown in fig. 11, the second mold core 22 and the connecting block 33 are spaced apart from each other, and the spacing distance is greater than or equal to the upward movement stroke of the first mold core 21. In this way, the connecting block 33 can be used to ensure the forming accuracy while the first mold core 21 is driven to move upward while the second mold core 22 is kept stationary.

It should be noted that the foregoing is only a preferred embodiment of the present invention and the technical principles applied. It will be understood by those skilled in the art that the present invention is not limited to the particular embodiments described herein, but is capable of various obvious changes, rearrangements and substitutions as will now become apparent to those skilled in the art without departing from the scope of the invention. Therefore, although the present invention has been described in greater detail with reference to the above embodiments, the present invention is not limited to the above embodiments, and may include other equivalent embodiments without departing from the scope of the present invention.

Claims (10)

1. A bending and embossing die, comprising:

the upper die assembly (1) comprises a bending male die (11), and a convex pressing groove (111) is formed in the bending male die (11);

the lower die assembly (2) comprises a first die core (21) and a second die core (22), the two first die cores (21) are symmetrically arranged on two sides of the second die core (22), the first die core (21) and the second die core (22) can be spliced to form a bending female die matched with the bending male die (11), and a bulging protrusion (221) matched with the bulging groove (111) is arranged on the second die core (22);

and the lever assembly (3) comprises a lever (31), one end of the lever (31) can be connected with the upper die assembly (1), and the other end of the lever is connected with the two first die cores (21).

2. The bending embossing die as claimed in claim 1, further comprising an upper die shoe plate group (4), wherein the upper die assembly (1) is disposed on the upper die shoe plate group (4).

3. The bending and embossing die as claimed in claim 2, further comprising a lower die shoe set (5), wherein the lower die assembly (2) is disposed on the lower die shoe set (5).

4. The bending and embossing die as claimed in claim 3, wherein the lever assembly (3) further comprises a trigger lever (32), one end of the trigger lever (32) is hinged to one end of the lever (31), and the other end of the trigger lever (32) can abut against the upper die shoe set (4).

5. The bending and embossing die as claimed in claim 1, wherein the lever assembly (3) further comprises a connecting block (33), one end of the connecting block (33) is hinged to one end of the lever (31), and the other end of the connecting block (33) is connected to the two first die cores (21).

6. The bending and embossing die according to claim 4, wherein the lever assembly (3) further comprises a support frame (34), the support frame (34) is arranged on the lower die set (5), the support frame (34) comprises a hinge portion (341), and the hinge portion (341) is hinged with a rotating shaft of the lever (31).

7. The bending and embossing die according to claim 6, wherein the lever assembly (3) further comprises a return spring (35) and a return block (36), the supporting frame (34) further comprises a fixing portion (342), the fixing portion (342) is arranged on the lower die set (5), the trigger bar (32) slidably penetrates through the fixing portion (342), the return block (36) is arranged on the trigger bar (32), the return spring (35) is sleeved on the trigger bar (32), one end of the return spring (35) abuts against the return block (36), and the other end of the return spring abuts against the fixing portion (342).

8. The bending and embossing die as claimed in claim 3, wherein the lower die assembly (2) further comprises a side block (23), the side block (23) being disposed between the first die core (21) and the lower die shoe set (5).

9. The bending and embossing die as claimed in claim 2, wherein the upper die assembly (1) further comprises a die sleeve (12), the die sleeve (12) is arranged on the upper die base plate group (4), a through hole (121) is arranged on the die sleeve (12), and the bending male die (11) is slidably arranged in the through hole (121).

10. The bending and embossing die according to claim 9, wherein a limiting protrusion (112) is arranged on the bending male die (11), a limiting step (122) is arranged on the die sleeve (12), and the limiting protrusion (112) can abut against the limiting step (122).

Images